Bonam is actually a cooked rice with Jaggery and milk organized in a fresh brass, earthen pot decorated with neem leaves, turmeric and vermilion (Kumkum). A lamp is lit along with the pot and is called Bonam Jyoti. Motivated by early Buddhist structures including the stupa, the first Hindu temples https://hanumanmandiradelaide.com.au/dr-shri-shyam-sundar-parashar-ji-event/